She started her career working for Mars, Incorporated in Haguenau, France in 1978, where she served as Assistant Brand Manager for Milky Way, followed by Export Manager.[1] In 1984, she served as Director of the Marine Systems Division of Mars Electronics International.[1] Two years later, in 1986, she was appointed Vice President of S&F, Commercial, and People and Organization for Dove of Burr Ridge, Illinois in suburban Chicago.[1] A decade later, in 1997, she was appointed Ombudsman at Mars, Incorporated.[1] She was still serving in that position in 2013.[3]

She has served on the board of directors of Mars, Incorporated since 2006.[1] Eight years later, in April 2014, she was appointed as its chairman, replacing Stephen M. Badger.[6][7] She was a keynote speaker at the 2014 annual conference organized by Great Place to Work, a non-profit organization which promotes employee well-being.[1]